Marisa is at a point in her pregnancy when the zygote is moving down her uterus, and the placenta and umbilical cord are beginning to form. Which period of prenatal development is Marisa currently experiencing?

As consequences to stopping drug use, headaches, nausea, shaking, and elevated blood pressure are all signs of

a. withdrawal. b. overdose. c. psychological dependency. d. amphetamine toxicity.

Very depressed people are more likely than non-depressed people to help others, because helping provides them with an opportunity to improve their mood

Indicate whether this statement is true or false.